Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A tandem final drive system on an articulated haul truck uses two separate but interconnected final drives. Which of the following is a primary advantage of this configuration?
Tandem final drives distribute the substantial driving forces required for large articulated haul trucks over multiple axles, enhancing traction, reducing groun
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Question: A tandem final drive system on an articulated haul truck uses two separate but interconnected final drives. Which of the following is a primary advantage of this configuration?
Answer options:
- Eliminates the need for a differential.
- Provides redundant braking capability. ✅ Distributes driving forces over more axles, improving traction and load capacity.
- Significantly reduces overall vehicle weight.
Correct answer: Distributes driving forces over more axles, improving traction and load capacity.
Explanation: Tandem final drives distribute the substantial driving forces required for large articulated haul trucks over multiple axles, enhancing traction, reducing ground pressure, and significantly increasing the vehicle's overall load-carrying capacity and stability, especially on challenging terrain, as per OEM design principles.
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